| 发明名称 |
Relaying method for protecting a transformer using a difference of current |
| 摘要 |
Disclosed is a relaying method for protecting a transformer by using a difference of current. A decision function, related to the rate of change of a primary current, a secondary current, or a differential current, is used for determining whether a detected abnormal current is due to the inrush or internal fault.
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| 申请公布号 |
US6958894(B2) |
申请公布日期 |
2005.10.25 |
| 申请号 |
US20030333390 |
申请日期 |
2003.01.17 |
| 申请人 |
KANG YONG CHEOL;KANG SANG HEE;LEE BYUNG EUN;YUN JAE SUNG |
发明人 |
KANG YONG CHEOL;KANG SANG HEE;LEE BYUNG EUN;YUN JAE SUNG |
| 分类号 |
H02H3/40;H02H7/045;(IPC1-7):H02H7/04 |
主分类号 |
H02H3/40 |
| 代理机构 |
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